Home / 1,222.70-1,834.26-1,202.99

Finding the Fourth Proportional to 1,222.70, 1,834.26 and 1,202.99

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Solution

The fourth proportional to 1,222.70, 1,834.26 and 1,202.99 is: 1,804.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222.70 : 1,834.26 = 1,202.99 : x
  2. Step 2: Convert to fraction form
    1,222.70/1,834.26 = 1,202.99/x
  3. Step 3: Cross multiply
    1,222.70x = 1,834.26 × 1,202.99
  4. Step 4: Simplify right side
    1,222.70x = 2,206,601.02
  5. Step 5: Solve for x
    x = 2,206,601.02/1,222.70
  6. Step 6: Final answer
    x = 1,804.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.